I want to know about the newly launched networking site Google plus. How does it work ? How to get connected to this networking site. Do I need any invitations from others to join this site ? Any help ?

Hi, I am an webmaster. It is very necessary for me to look the uptime of my servers or website. I need to get notified whenever my website or server goes down so that I can take appropriate action on time. How can I do it ?

Hi Every One, Is there any simple way out to turn images into quality thumbnail ? I am really in need of doing this sort of work to be done as early as possible. Can you suggest any specific software ?

What is the meaning of IP address. Naturally we see an IP address consists of several numbers. What is the significance of those numbers ? Who provides IP addresses? Is there any one who can answer all these questions?